src/mesa/shader/prog_print.c

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  6.5.3
   4  *
   5  * Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 /**
  26  * \file prog_print.c
  27  * Print vertex/fragment programs - for debugging.
  28  * \author Brian Paul
  29  */
  30
  31 #include "glheader.h"
  32 #include "context.h"
  33 #include "imports.h"
  34 #include "prog_instruction.h"
  35 #include "prog_parameter.h"
  36 #include "prog_print.h"
  37 #include "prog_statevars.h"
  38
  39
  40
  41 /**
  42  * Return string name for given program/register file.
  43  */
  44 static const char *
  45 file_string(enum register_file f, gl_prog_print_mode mode)
  46 {
  47    switch (f) {
  48    case PROGRAM_TEMPORARY:
  49       return "TEMP";
  50    case PROGRAM_LOCAL_PARAM:
  51       return "LOCAL";
  52    case PROGRAM_ENV_PARAM:
  53       return "ENV";
  54    case PROGRAM_STATE_VAR:
  55       return "STATE";
  56    case PROGRAM_INPUT:
  57       return "INPUT";
  58    case PROGRAM_OUTPUT:
  59       return "OUTPUT";
  60    case PROGRAM_NAMED_PARAM:
  61       return "NAMED";
  62    case PROGRAM_CONSTANT:
  63       return "CONST";
  64    case PROGRAM_UNIFORM:
  65       return "UNIFORM";
  66    case PROGRAM_VARYING:
  67       return "VARYING";
  68    case PROGRAM_WRITE_ONLY:
  69       return "WRITE_ONLY";
  70    case PROGRAM_ADDRESS:
  71       return "ADDR";
  72    case PROGRAM_SAMPLER:
  73       return "SAMPLER";
  74    default:
  75       return "Unknown program file!";
  76    }
  77 }
  78
  79
  80 /**
  81  * Return ARB_v/f_prog-style input attrib string.
  82  */
  83 static const char *
  84 arb_input_attrib_string(GLint index, GLenum progType)
  85 {
  86    const char *vertAttribs[] = {
  87       "vertex.position",
  88       "vertex.weight",
  89       "vertex.normal",
  90       "vertex.color.primary",
  91       "vertex.color.secondary",
  92       "vertex.fogcoord",
  93       "vertex.(six)",
  94       "vertex.(seven)",
  95       "vertex.texcoord[0]",
  96       "vertex.texcoord[1]",
  97       "vertex.texcoord[2]",
  98       "vertex.texcoord[3]",
  99       "vertex.texcoord[4]",
 100       "vertex.texcoord[5]",
 101       "vertex.texcoord[6]",
 102       "vertex.texcoord[7]",
 103       "vertex.attrib[0]",
 104       "vertex.attrib[1]",
 105       "vertex.attrib[2]",
 106       "vertex.attrib[3]",
 107       "vertex.attrib[4]",
 108       "vertex.attrib[5]",
 109       "vertex.attrib[6]",
 110       "vertex.attrib[7]",
 111       "vertex.attrib[8]",
 112       "vertex.attrib[9]",
 113       "vertex.attrib[10]",
 114       "vertex.attrib[11]",
 115       "vertex.attrib[12]",
 116       "vertex.attrib[13]",
 117       "vertex.attrib[14]",
 118       "vertex.attrib[15]"
 119    };
 120    const char *fragAttribs[] = {
 121       "fragment.position",
 122       "fragment.color.primary",
 123       "fragment.color.secondary",
 124       "fragment.fogcoord",
 125       "fragment.texcoord[0]",
 126       "fragment.texcoord[1]",
 127       "fragment.texcoord[2]",
 128       "fragment.texcoord[3]",
 129       "fragment.texcoord[4]",
 130       "fragment.texcoord[5]",
 131       "fragment.texcoord[6]",
 132       "fragment.texcoord[7]",
 133       "fragment.varying[0]",
 134       "fragment.varying[1]",
 135       "fragment.varying[2]",
 136       "fragment.varying[3]",
 137       "fragment.varying[4]",
 138       "fragment.varying[5]",
 139       "fragment.varying[6]",
 140       "fragment.varying[7]"
 141    };
 142
 143    if (progType == GL_VERTEX_PROGRAM_ARB) {
 144       assert(index < sizeof(vertAttribs) / sizeof(vertAttribs[0]));
 145       return vertAttribs[index];
 146    }
 147    else {
 148       assert(index < sizeof(fragAttribs) / sizeof(fragAttribs[0]));
 149       return fragAttribs[index];
 150    }
 151 }
 152
 153
 154 /**
 155  * Return ARB_v/f_prog-style output attrib string.
 156  */
 157 static const char *
 158 arb_output_attrib_string(GLint index, GLenum progType)
 159 {
 160    const char *vertResults[] = {
 161       "result.position",
 162       "result.color.primary",
 163       "result.color.secondary",
 164       "result.fogcoord",
 165       "result.texcoord[0]",
 166       "result.texcoord[1]",
 167       "result.texcoord[2]",
 168       "result.texcoord[3]",
 169       "result.texcoord[4]",
 170       "result.texcoord[5]",
 171       "result.texcoord[6]",
 172       "result.texcoord[7]",
 173       "result.varying[0]",
 174       "result.varying[1]",
 175       "result.varying[2]",
 176       "result.varying[3]",
 177       "result.varying[4]",
 178       "result.varying[5]",
 179       "result.varying[6]",
 180       "result.varying[7]"
 181    };
 182    const char *fragResults[] = {
 183       "result.color",
 184       "result.depth"
 185    };
 186
 187    if (progType == GL_VERTEX_PROGRAM_ARB) {
 188       assert(index < sizeof(vertResults) / sizeof(vertResults[0]));
 189       return vertResults[index];
 190    }
 191    else {
 192       assert(index < sizeof(fragResults) / sizeof(fragResults[0]));
 193       return fragResults[index];
 194    }
 195 }
 196
 197
 198 /**
 199  * Return string representation of the given register.
 200  * Note that some types of registers (like PROGRAM_UNIFORM) aren't defined
 201  * by the ARB/NV program languages so we've taken some liberties here.
 202  * \param file  the register file (PROGRAM_INPUT, PROGRAM_TEMPORARY, etc)
 203  * \param index  number of the register in the register file
 204  * \param mode  the output format/mode/style
 205  * \param prog  pointer to containing program
 206  */
 207 static const char *
 208 reg_string(enum register_file f, GLint index, gl_prog_print_mode mode,
 209            const struct gl_program *prog)
 210 {
 211    static char str[100];
 212
 213    str[0] = 0;
 214
 215    switch (mode) {
 216    case PROG_PRINT_DEBUG:
 217       sprintf(str, "%s[%d]", file_string(f, mode), index);
 218       break;
 219
 220    case PROG_PRINT_ARB:
 221       switch (f) {
 222       case PROGRAM_INPUT:
 223          sprintf(str, "%s", arb_input_attrib_string(index, prog->Target));
 224          break;
 225       case PROGRAM_OUTPUT:
 226          sprintf(str, "%s", arb_output_attrib_string(index, prog->Target));
 227          break;
 228       case PROGRAM_TEMPORARY:
 229          sprintf(str, "temp%d", index);
 230          break;
 231       case PROGRAM_ENV_PARAM:
 232          sprintf(str, "program.env[%d]", index);
 233          break;
 234       case PROGRAM_LOCAL_PARAM:
 235          sprintf(str, "program.local[%d]", index);
 236          break;
 237       case PROGRAM_VARYING: /* extension */
 238          sprintf(str, "varying[%d]", index);
 239          break;
 240       case PROGRAM_CONSTANT: /* extension */
 241          sprintf(str, "constant[%d]", index);
 242          break;
 243       case PROGRAM_UNIFORM: /* extension */
 244          sprintf(str, "uniform[%d]", index);
 245          break;
 246       case PROGRAM_STATE_VAR:
 247          {
 248             struct gl_program_parameter *param
 249                = prog->Parameters->Parameters + index;
 250             sprintf(str, _mesa_program_state_string(param->StateIndexes));
 251          }
 252          break;
 253       case PROGRAM_ADDRESS:
 254          sprintf(str, "A%d", index);
 255          break;
 256       default:
 257          _mesa_problem(NULL, "bad file in reg_string()");
 258       }
 259       break;
 260
 261    case PROG_PRINT_NV:
 262       switch (f) {
 263       case PROGRAM_INPUT:
 264          if (prog->Target == GL_VERTEX_PROGRAM_ARB)
 265             sprintf(str, "v[%d]", index);
 266          else
 267             sprintf(str, "f[%d]", index);
 268          break;
 269       case PROGRAM_OUTPUT:
 270          sprintf(str, "o[%d]", index);
 271          break;
 272       case PROGRAM_TEMPORARY:
 273          sprintf(str, "R%d", index);
 274          break;
 275       case PROGRAM_ENV_PARAM:
 276          sprintf(str, "c[%d]", index);
 277          break;
 278       case PROGRAM_VARYING: /* extension */
 279          sprintf(str, "varying[%d]", index);
 280          break;
 281       case PROGRAM_UNIFORM: /* extension */
 282          sprintf(str, "uniform[%d]", index);
 283          break;
 284       case PROGRAM_CONSTANT: /* extension */
 285          sprintf(str, "constant[%d]", index);
 286          break;
 287       case PROGRAM_STATE_VAR: /* extension */
 288          sprintf(str, "state[%d]", index);
 289          break;
 290       default:
 291          _mesa_problem(NULL, "bad file in reg_string()");
 292       }
 293       break;
 294
 295    default:
 296       _mesa_problem(NULL, "bad mode in reg_string()");
 297    }
 298
 299    return str;
 300 }
 301
 302
 303 /**
 304  * Return a string representation of the given swizzle word.
 305  * If extended is true, use extended (comma-separated) format.
 306  * \param swizzle  the swizzle field
 307  * \param negateBase  4-bit negation vector
 308  * \param extended  if true, also allow 0, 1 values
 309  */
 310 const char *
 311 _mesa_swizzle_string(GLuint swizzle, GLuint negateBase, GLboolean extended)
 312 {
 313    static const char swz[] = "xyzw01?!";
 314    static char s[20];
 315    GLuint i = 0;
 316
 317    if (!extended && swizzle == SWIZZLE_NOOP && negateBase == 0)
 318       return ""; /* no swizzle/negation */
 319
 320    if (!extended)
 321       s[i++] = '.';
 322
 323    if (negateBase & NEGATE_X)
 324       s[i++] = '-';
 325    s[i++] = swz[GET_SWZ(swizzle, 0)];
 326
 327    if (extended) {
 328       s[i++] = ',';
 329    }
 330
 331    if (negateBase & NEGATE_Y)
 332       s[i++] = '-';
 333    s[i++] = swz[GET_SWZ(swizzle, 1)];
 334
 335    if (extended) {
 336       s[i++] = ',';
 337    }
 338
 339    if (negateBase & NEGATE_Z)
 340       s[i++] = '-';
 341    s[i++] = swz[GET_SWZ(swizzle, 2)];
 342
 343    if (extended) {
 344       s[i++] = ',';
 345    }
 346
 347    if (negateBase & NEGATE_W)
 348       s[i++] = '-';
 349    s[i++] = swz[GET_SWZ(swizzle, 3)];
 350
 351    s[i] = 0;
 352    return s;
 353 }
 354
 355
 356 static const char *
 357 writemask_string(GLuint writeMask)
 358 {
 359    static char s[10];
 360    GLuint i = 0;
 361
 362    if (writeMask == WRITEMASK_XYZW)
 363       return "";
 364
 365    s[i++] = '.';
 366    if (writeMask & WRITEMASK_X)
 367       s[i++] = 'x';
 368    if (writeMask & WRITEMASK_Y)
 369       s[i++] = 'y';
 370    if (writeMask & WRITEMASK_Z)
 371       s[i++] = 'z';
 372    if (writeMask & WRITEMASK_W)
 373       s[i++] = 'w';
 374
 375    s[i] = 0;
 376    return s;
 377 }
 378
 379
 380 const char *
 381 _mesa_condcode_string(GLuint condcode)
 382 {
 383    switch (condcode) {
 384    case COND_GT:  return "GT";
 385    case COND_EQ:  return "EQ";
 386    case COND_LT:  return "LT";
 387    case COND_UN:  return "UN";
 388    case COND_GE:  return "GE";
 389    case COND_LE:  return "LE";
 390    case COND_NE:  return "NE";
 391    case COND_TR:  return "TR";
 392    case COND_FL:  return "FL";
 393    default: return "cond???";
 394    }
 395 }
 396
 397
 398 static void
 399 print_dst_reg(const struct prog_dst_register *dstReg, gl_prog_print_mode mode,
 400               const struct gl_program *prog)
 401 {
 402    _mesa_printf("%s%s",
 403                 reg_string((enum register_file) dstReg->File,
 404                            dstReg->Index, mode, prog),
 405                 writemask_string(dstReg->WriteMask));
 406
 407    if (dstReg->CondMask != COND_TR) {
 408       _mesa_printf(" (%s.%s)",
 409                    _mesa_condcode_string(dstReg->CondMask),
 410                    _mesa_swizzle_string(dstReg->CondSwizzle, GL_FALSE, GL_FALSE));
 411    }
 412
 413 #if 0
 414    _mesa_printf("%s[%d]%s",
 415                 file_string((enum register_file) dstReg->File, mode),
 416                 dstReg->Index,
 417                 writemask_string(dstReg->WriteMask));
 418 #endif
 419 }
 420
 421 static void
 422 print_src_reg(const struct prog_src_register *srcReg, gl_prog_print_mode mode,
 423               const struct gl_program *prog)
 424 {
 425    _mesa_printf("%s%s",
 426                 reg_string((enum register_file) srcReg->File,
 427                            srcReg->Index, mode, prog),
 428                 _mesa_swizzle_string(srcReg->Swizzle,
 429                                srcReg->NegateBase, GL_FALSE));
 430 #if 0
 431    _mesa_printf("%s[%d]%s",
 432                 file_string((enum register_file) srcReg->File, mode),
 433                 srcReg->Index,
 434                 _mesa_swizzle_string(srcReg->Swizzle,
 435                                srcReg->NegateBase, GL_FALSE));
 436 #endif
 437 }
 438
 439 static void
 440 print_comment(const struct prog_instruction *inst)
 441 {
 442    if (inst->Comment)
 443       _mesa_printf(";  # %s\n", inst->Comment);
 444    else
 445       _mesa_printf(";\n");
 446 }
 447
 448
 449 static void
 450 print_alu_instruction(const struct prog_instruction *inst,
 451                       const char *opcode_string, GLuint numRegs,
 452                       gl_prog_print_mode mode,
 453                       const struct gl_program *prog)
 454 {
 455    GLuint j;
 456
 457    _mesa_printf("%s", opcode_string);
 458    if (inst->CondUpdate)
 459       _mesa_printf(".C");
 460
 461    /* frag prog only */
 462    if (inst->SaturateMode == SATURATE_ZERO_ONE)
 463       _mesa_printf("_SAT");
 464
 465    _mesa_printf(" ");
 466    if (inst->DstReg.File != PROGRAM_UNDEFINED) {
 467       print_dst_reg(&inst->DstReg, mode, prog);
 468    }
 469    else {
 470       _mesa_printf(" ???");
 471    }
 472
 473    if (numRegs > 0)
 474       _mesa_printf(", ");
 475
 476    for (j = 0; j < numRegs; j++) {
 477       print_src_reg(inst->SrcReg + j, mode, prog);
 478       if (j + 1 < numRegs)
 479          _mesa_printf(", ");
 480    }
 481
 482    print_comment(inst);
 483 }
 484
 485
 486 void
 487 _mesa_print_alu_instruction(const struct prog_instruction *inst,
 488                             const char *opcode_string, GLuint numRegs)
 489 {
 490    print_alu_instruction(inst, opcode_string, numRegs, PROG_PRINT_DEBUG, NULL);
 491 }
 492
 493
 494 void
 495 _mesa_print_instruction(const struct prog_instruction *inst)
 496 {
 497    /* note: 4th param should be ignored for PROG_PRINT_DEBUG */
 498    _mesa_print_instruction_opt(inst, 0, PROG_PRINT_DEBUG, NULL);
 499 }
 500
 501
 502 /**
 503  * Print a single vertex/fragment program instruction.
 504  */
 505 GLint
 506 _mesa_print_instruction_opt(const struct prog_instruction *inst, GLint indent,
 507                             gl_prog_print_mode mode,
 508                             const struct gl_program *prog)
 509 {
 510    GLint i;
 511
 512    if (inst->Opcode == OPCODE_ELSE ||
 513        inst->Opcode == OPCODE_ENDIF ||
 514        inst->Opcode == OPCODE_ENDLOOP ||
 515        inst->Opcode == OPCODE_ENDSUB) {
 516       indent -= 3;
 517    }
 518    for (i = 0; i < indent; i++) {
 519       _mesa_printf(" ");
 520    }
 521
 522    switch (inst->Opcode) {
 523    case OPCODE_PRINT:
 524       _mesa_printf("PRINT '%s'", inst->Data);
 525       if (inst->SrcReg[0].File != PROGRAM_UNDEFINED) {
 526          _mesa_printf(", ");
 527          _mesa_printf("%s[%d]%s",
 528                       file_string((enum register_file) inst->SrcReg[0].File,
 529                                   mode),
 530                       inst->SrcReg[0].Index,
 531                       _mesa_swizzle_string(inst->SrcReg[0].Swizzle,
 532                                            inst->SrcReg[0].NegateBase, GL_FALSE));
 533       }
 534       if (inst->Comment)
 535          _mesa_printf("  # %s", inst->Comment);
 536       print_comment(inst);
 537       break;
 538    case OPCODE_SWZ:
 539       _mesa_printf("SWZ");
 540       if (inst->SaturateMode == SATURATE_ZERO_ONE)
 541          _mesa_printf("_SAT");
 542       _mesa_printf(" ");
 543       print_dst_reg(&inst->DstReg, mode, prog);
 544       _mesa_printf(", %s[%d], %s",
 545                    file_string((enum register_file) inst->SrcReg[0].File,
 546                                mode),
 547                    inst->SrcReg[0].Index,
 548                    _mesa_swizzle_string(inst->SrcReg[0].Swizzle,
 549                                         inst->SrcReg[0].NegateBase, GL_TRUE));
 550       print_comment(inst);
 551       break;
 552    case OPCODE_TEX:
 553    case OPCODE_TXP:
 554    case OPCODE_TXL:
 555    case OPCODE_TXB:
 556       _mesa_printf("%s", _mesa_opcode_string(inst->Opcode));
 557       if (inst->SaturateMode == SATURATE_ZERO_ONE)
 558          _mesa_printf("_SAT");
 559       _mesa_printf(" ");
 560       print_dst_reg(&inst->DstReg, mode, prog);
 561       _mesa_printf(", ");
 562       print_src_reg(&inst->SrcReg[0], mode, prog);
 563       _mesa_printf(", texture[%d], ", inst->TexSrcUnit);
 564       switch (inst->TexSrcTarget) {
 565       case TEXTURE_1D_INDEX:   _mesa_printf("1D");    break;
 566       case TEXTURE_2D_INDEX:   _mesa_printf("2D");    break;
 567       case TEXTURE_3D_INDEX:   _mesa_printf("3D");    break;
 568       case TEXTURE_CUBE_INDEX: _mesa_printf("CUBE");  break;
 569       case TEXTURE_RECT_INDEX: _mesa_printf("RECT");  break;
 570       default:
 571          ;
 572       }
 573       print_comment(inst);
 574       break;
 575
 576    case OPCODE_KIL:
 577       _mesa_printf("%s", _mesa_opcode_string(inst->Opcode));
 578       _mesa_printf(" ");
 579       print_src_reg(&inst->SrcReg[0], mode, prog);
 580       print_comment(inst);
 581       break;
 582    case OPCODE_KIL_NV:
 583       _mesa_printf("%s", _mesa_opcode_string(inst->Opcode));
 584       _mesa_printf(" ");
 585       _mesa_printf("%s.%s",
 586                    _mesa_condcode_string(inst->DstReg.CondMask),
 587                    _mesa_swizzle_string(inst->DstReg.CondSwizzle,
 588                                         GL_FALSE, GL_FALSE));
 589       print_comment(inst);
 590       break;
 591
 592    case OPCODE_ARL:
 593       _mesa_printf("ARL addr.x, ");
 594       print_src_reg(&inst->SrcReg[0], mode, prog);
 595       print_comment(inst);
 596       break;
 597    case OPCODE_BRA:
 598       _mesa_printf("BRA %d (%s%s)",
 599                    inst->BranchTarget,
 600                    _mesa_condcode_string(inst->DstReg.CondMask),
 601                    _mesa_swizzle_string(inst->DstReg.CondSwizzle, 0, GL_FALSE));
 602       print_comment(inst);
 603       break;
 604    case OPCODE_IF:
 605       if (inst->SrcReg[0].File != PROGRAM_UNDEFINED) {
 606          /* Use ordinary register */
 607          _mesa_printf("IF ");
 608          print_src_reg(&inst->SrcReg[0], mode, prog);
 609          _mesa_printf("; ");
 610       }
 611       else {
 612          /* Use cond codes */
 613          _mesa_printf("IF (%s%s);",
 614                       _mesa_condcode_string(inst->DstReg.CondMask),
 615                       _mesa_swizzle_string(inst->DstReg.CondSwizzle,
 616                                            0, GL_FALSE));
 617       }
 618       _mesa_printf(" # (if false, goto %d)", inst->BranchTarget);
 619       print_comment(inst);
 620       return indent + 3;
 621    case OPCODE_ELSE:
 622       _mesa_printf("ELSE; # (goto %d)\n", inst->BranchTarget);
 623       return indent + 3;
 624    case OPCODE_ENDIF:
 625       _mesa_printf("ENDIF;\n");
 626       break;
 627    case OPCODE_BGNLOOP:
 628       _mesa_printf("BGNLOOP; # (end at %d)\n", inst->BranchTarget);
 629       return indent + 3;
 630    case OPCODE_ENDLOOP:
 631       _mesa_printf("ENDLOOP; # (goto %d)\n", inst->BranchTarget);
 632       break;
 633    case OPCODE_BRK:
 634    case OPCODE_CONT:
 635       _mesa_printf("%s (%s%s); # (goto %d)",
 636                    _mesa_opcode_string(inst->Opcode),
 637                    _mesa_condcode_string(inst->DstReg.CondMask),
 638                    _mesa_swizzle_string(inst->DstReg.CondSwizzle, 0, GL_FALSE),
 639                    inst->BranchTarget);
 640       print_comment(inst);
 641       break;
 642
 643    case OPCODE_BGNSUB:
 644       if (mode == PROG_PRINT_NV) {
 645          _mesa_printf("%s:\n", inst->Comment); /* comment is label */
 646          return indent;
 647       }
 648       else {
 649          _mesa_printf("BGNSUB");
 650          print_comment(inst);
 651          return indent + 3;
 652       }
 653    case OPCODE_ENDSUB:
 654       if (mode == PROG_PRINT_DEBUG) {
 655          _mesa_printf("ENDSUB");
 656          print_comment(inst);
 657       }
 658       break;
 659    case OPCODE_CAL:
 660       if (mode == PROG_PRINT_NV) {
 661          _mesa_printf("CAL %s;  # (goto %d)\n", inst->Comment, inst->BranchTarget);
 662       }
 663       else {
 664          _mesa_printf("CAL %u", inst->BranchTarget);
 665          print_comment(inst);
 666       }
 667       break;
 668    case OPCODE_RET:
 669       _mesa_printf("RET (%s%s)",
 670                    _mesa_condcode_string(inst->DstReg.CondMask),
 671                    _mesa_swizzle_string(inst->DstReg.CondSwizzle, 0, GL_FALSE));
 672       print_comment(inst);
 673       break;
 674
 675    case OPCODE_END:
 676       _mesa_printf("END\n");
 677       break;
 678    case OPCODE_NOP:
 679       if (mode == PROG_PRINT_DEBUG) {
 680          _mesa_printf("NOP");
 681          print_comment(inst);
 682       }
 683       else if (inst->Comment) {
 684          /* ARB/NV extensions don't have NOP instruction */
 685          _mesa_printf("# %s\n", inst->Comment);
 686       }
 687       break;
 688    /* XXX may need other special-case instructions */
 689    default:
 690       /* typical alu instruction */
 691       print_alu_instruction(inst,
 692                             _mesa_opcode_string(inst->Opcode),
 693                             _mesa_num_inst_src_regs(inst->Opcode),
 694                             mode, prog);
 695       break;
 696    }
 697    return indent;
 698 }
 699
 700
 701 /**
 702  * Print program to stdout, default options.
 703  */
 704 void
 705 _mesa_print_program(const struct gl_program *prog)
 706 {
 707    _mesa_print_program_opt(prog, PROG_PRINT_DEBUG, GL_TRUE);
 708 }
 709
 710
 711 /**
 712  * Print program, with options.
 713  */
 714 void
 715 _mesa_print_program_opt(const struct gl_program *prog,
 716                         gl_prog_print_mode mode,
 717                         GLboolean lineNumbers)
 718 {
 719    GLuint i, indent = 0;
 720
 721    switch (prog->Target) {
 722    case GL_VERTEX_PROGRAM_ARB:
 723       if (mode == PROG_PRINT_ARB)
 724          _mesa_printf("!!ARBvp1.0\n");
 725       else if (mode == PROG_PRINT_NV)
 726          _mesa_printf("!!VP1.0\n");
 727       else
 728          _mesa_printf("# Vertex Program/Shader\n");
 729       break;
 730    case GL_FRAGMENT_PROGRAM_ARB:
 731    case GL_FRAGMENT_PROGRAM_NV:
 732       if (mode == PROG_PRINT_ARB)
 733          _mesa_printf("!!ARBfp1.0\n");
 734       else if (mode == PROG_PRINT_NV)
 735          _mesa_printf("!!FP1.0\n");
 736       else
 737          _mesa_printf("# Fragment Program/Shader\n");
 738       break;
 739    }
 740
 741    for (i = 0; i < prog->NumInstructions; i++) {
 742       if (lineNumbers)
 743          _mesa_printf("%3d: ", i);
 744       indent = _mesa_print_instruction_opt(prog->Instructions + i,
 745                                            indent, mode, prog);
 746    }
 747 }
 748
 749
 750 /**
 751  * Print all of a program's parameters.
 752  */
 753 void
 754 _mesa_print_program_parameters(GLcontext *ctx, const struct gl_program *prog)
 755 {
 756    GLuint i;
 757
 758    _mesa_printf("InputsRead: 0x%x\n", prog->InputsRead);
 759    _mesa_printf("OutputsWritten: 0x%x\n", prog->OutputsWritten);
 760    _mesa_printf("NumInstructions=%d\n", prog->NumInstructions);
 761    _mesa_printf("NumTemporaries=%d\n", prog->NumTemporaries);
 762    _mesa_printf("NumParameters=%d\n", prog->NumParameters);
 763    _mesa_printf("NumAttributes=%d\n", prog->NumAttributes);
 764    _mesa_printf("NumAddressRegs=%d\n", prog->NumAddressRegs);
 765    _mesa_printf("Samplers=[ ");
 766    for (i = 0; i < MAX_SAMPLERS; i++) {
 767       _mesa_printf("%d ", prog->SamplerUnits[i]);
 768    }
 769    _mesa_printf("]\n");
 770
 771    _mesa_load_state_parameters(ctx, prog->Parameters);
 772
 773 #if 0
 774    _mesa_printf("Local Params:\n");
 775    for (i = 0; i < MAX_PROGRAM_LOCAL_PARAMS; i++){
 776       const GLfloat *p = prog->LocalParams[i];
 777       _mesa_printf("%2d: %f, %f, %f, %f\n", i, p[0], p[1], p[2], p[3]);
 778    }
 779 #endif
 780    _mesa_print_parameter_list(prog->Parameters);
 781 }
 782
 783
 784 void
 785 _mesa_print_parameter_list(const struct gl_program_parameter_list *list)
 786 {
 787    const gl_prog_print_mode mode = PROG_PRINT_DEBUG;
 788    GLuint i;
 789
 790    if (!list)
 791       return;
 792
 793    _mesa_printf("param list %p\n", (void *) list);
 794    for (i = 0; i < list->NumParameters; i++){
 795       struct gl_program_parameter *param = list->Parameters + i;
 796       const GLfloat *v = list->ParameterValues[i];
 797       _mesa_printf("param[%d] sz=%d %s %s = {%.3g, %.3g, %.3g, %.3g};\n",
 798                    i, param->Size,
 799                    file_string(list->Parameters[i].Type, mode),
 800                    param->Name, v[0], v[1], v[2], v[3]);
 801    }
 802 }